- Secunda in Mpumalanga is “the largest source of carbon dioxide in the southern hemisphere,” environmental researchers say.
- Khehla Mahlangu and Jeremiah Maseko have lived and worked in the town for decades but now doctors have told them that their lungs are no good.
- Fumes from factories in this area cover Secunda in a blanket of smog which experts say contain tiny pieces of heavy metals like arsenic and mercury. And now climate change is making things worse.
This story was produced by the Bhekisisa Centre for Health Journalism. Sign up for the newsletter.














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